TIMKEN SX-4639 Front Axle Spindle Bearings

( Brand: Timken ), ( Manufacturer Part Number: SX-4639 ), ( Placement On Vehicle: Driveline Axles Bearings ), ( Type: Axle Spindle Bearing ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C347 81-20 ), ( Compatible Model: K15/k1500 Pickup ), ( Compatible Year: 1972 1971 1970 1969 1968 1967 1966 ), ( Core Charge: Free No Core Charge ), ( Position: Front ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 2 Pc Genuine Timken Axle Spindle Bearing Kit )

Review TIMKEN Pc Front Axle Spindle Bearings Gmc K15 Pickup Rk fits K1500 1966–1972

Introducing the Timken SX-4639 Front Axle Spindle Bearings, specifically designed for applications on 1966-1972 GMC K15 and K1500 series trucks. These premium bearings are engineered to deliver exceptional performance and durability for your vehicle.

The SX-4639 bearings are manufactured using Timken's advanced bearing technology. This technology ensures a precise fit, minimizing play and reducing vibration for a smoother ride. Each bearing features a high-quality, heat-treated steel raceway, providing increased strength and durability.

The bearings are also equipped with Timken's proprietary Tapered Roller Design. This design utilizes tapered rollers that conform to the contours of the journal, reducing stress and improving load capacity. The bearings also include an inner raceway with a self-aligning feature, which ensures proper alignment of the spindle and reduces the risk of damage from misalignment.

Additionally, the SX-4639 bearings are greasable, allowing for regular maintenance. Proper lubrication ensures the bearings operate efficiently, reducing heat buildup and increasing their overall lifespan.

These bearings are easy to install and come with all necessary hardware. They are also backed by Timken's industry-leading warranty, providing peace of mind and assurance against manufacturing defects.

In summary, the Timken SX-4639 Front Axle Spindle Bearings for 1966-1972 GMC K15 and K1500 series trucks are the ideal choice for those seeking superior performance, durability, and ease of maintenance. Their advanced design, high-quality materials, and reliable manufacturing process make them the go-to option for truck enthusiasts and professionals alike.

The Timken SX-4639 front axle spindle bearings are a common replacement option for older GMC K15 and K1500 models from 1966 to 1972. Here are some pros and cons to help you make an informed decision about purchasing these bearings:

1. High-Quality: Timken is a well-known brand in the automotive industry, known for manufacturing high-quality bearings. These SX-4639 bearings are designed to provide superior performance and durability.

2. Fit and Function: These bearings are specifically designed for the front axle spindles of the GMC K15 and K1500 models, ensuring a perfect fit and optimal function.

3. Reduced Wear and Tear: Replacing worn-out bearings with new ones can help reduce wear and tear on other components of the vehicle, leading to increased longevity and savings in the long run.

4. Improved Handling: Properly functioning bearings are essential for maintaining good handling and steering performance in a vehicle, making these bearings an investment in your driving experience.

1. Cost: Timken bearings are generally more expensive than other aftermarket options. However, their superior quality and fit may justify the additional cost for some buyers.

2. Availability: These bearings may not be readily available at all auto parts stores or online retailers, so it may take some effort to track them down.

3. Installation: Installing the bearings yourself can be a challenging process, especially for those without experience in automotive repair. Hiring a professional mechanic to install the bearings may add to the overall cost.

If you drive a 1966-1972 GMC K15 or K1500 and are experiencing issues with your front axle spindle bearings, investing in high-quality Timken SX-4639 bearings can be a worthwhile investment. Their superior fit, durability, and performance can lead to improved handling, reduced wear and tear on other components, and increased longevity for your vehicle. However, the higher cost and potential installation challenges should be considered before making a purchase. Ultimately, the decision to buy these bearings depends on your budget, availability of other options, and personal preference for quality and performance. If you prioritize these factors, the Timken SX-4639 bearings are an excellent choice.

Details:

2 pc Timken Front Axle Spindle Bearings for 1966-1972 GMC K15 K1500 Pickup rk: Status: In Stock.

part #: sx4639 prices

• $16.68-$20.79

specifications axlpar:

• for makes: Gmc
• for years: 1966-1972
• brand: Timken
• mpn: Sx-4639
• placement on vehicle: Driveline Axles Bearings
• type: Axle Spindle Bearing
• manufacturer warranty: 1 Year
• ipn: C347 81-20
• compatible model: K15/k1500 Pickup
• compatible year: 1972 1971 1970 1969 1968 1967 1966
• core charge: Free No Core Charge
• position: Front
• fitment type: Direct Replacement
• bundle description: 2 Pc Genuine Timken Axle Spindle Bearing Kit

offer axlpar:

• started: March 12, 2026
• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0

general axlpar:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Axle Housings Parts

shipping axlpar:

• transit: 3-6 Days
• class: Standard, Expedited
• type: Fixed
• cost: $0.00
• service: Standard, Expedited

returns axlpar:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller axlpar:

• city: Indianapolis, Indiana
• # reviews: 631625
• rating: 99.5%

payments axlpar:

• credit card: Visa
• other
• wallet: Paypal

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